Test Bank For A+ Guide To Managing And Maintaining Your Pc, 8th Edition

Name: Test Bank For A+ Guide To Managing And Maintaining Your Pc, 8th Edition
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Author: Ethan Howard

Test Bank For A+ Guide To Managing And Maintaining Your Pc, 8th Edition strengthens your knowledge with concise summaries, formulas, and exam-style problems.

Ethan Howard

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Chapter 1—First Look at Computer Parts and Tools
TRUE/FALSE
1. A tower case conserves space since it can double as a monitor stand.
ANS: F PTS: 1 REF: 2
2. A DVI port transmits a video signal and is also called a DB-15 port.
ANS: F PTS: 1 REF: 3
3. An Ethernet port has a connector called an RJ-45 to connect to a network cable.
ANS: T PTS: 1 REF: 3
4. Functions that used to be provided by expansion cards are more often found as onboard ports today.
ANS: T PTS: 1 REF: 6
5. Hard drives have three connections for cables: one for reading data, one for writing data, and one for
power.
ANS: F PTS: 1 REF: 8
MULTIPLE CHOICE
1. Which type of port transmits both digital audio and digital video with a single connector?
a. S-Video c. HDMI
b. DVI d. VGA
ANS: C PTS: 1 REF: 3
2. Which of the following is an audio port that connects to an external home theater audio system,
providing digital audio output?
a. S/PDIF c. Thunderbolt
b. FireWire d. eSATA
ANS: A PTS: 1 REF: 4
3. Which of the following is NOT true of a motherboard?
a. also called a system board c. has a heat sink on the PCIe slots
b. has a CPU socket d. has slots for DIMMs
ANS: C PTS: 1 REF: 6
4. Which of the following is most likely to be installed in a PC, is considered primary storage, and has
Windows 7 installed on it?
a. floppy drive c. hard disk drive
b. tape drive d. optical drive
ANS: C PTS: 1 REF: 8

5. Which component probably has a dual-voltage selector switch, and has cables that connect to the
motherboard and drives?
a. HDD c. DIMM
b. PSU d. PCIe
ANS: B PTS: 1 REF: 8
6. Which is the most common form factor used today for computer cases, power supplies, and
motherboards?
a. AT c. ATC
b. ATX d. ATI
ANS: B PTS: 1 REF: 10
7. Which power supply connector is the main motherboard power connector on most motherboards
today?
a. 20-pin c. 24-pin
b. 8-pin d. 15-pin
ANS: C PTS: 1 REF: 11
8. If you have a PCI Express Version 2 video card, how many pins will the power connector have if the
card requires extra power?
a. 4 c. 5
b. 2 d. 8
ANS: D PTS: 1 REF: 16
9. Which standard provides the best performance for hard drives?
a. SATA c. IDE
b. PATA d. EIDE
ANS: A PTS: 1 REF: 18
10. Which disk drive standard uses an 80-conductor cable?
a. SATA c. EIDE
b. IDE d. DVD
ANS: C PTS: 1 REF: 21
11. Which unit of electricity measures electrical force and 115 is a common value?
a. Amp c. Volt
b. Ohm d. Watt
ANS: C PTS: 1 REF: 24
12. Which unit of electricity measures is used to measure the power consumption of a device?
a. Amp c. Volt
b. Ohm d. Watt
ANS: D PTS: 1 REF: 24
13. Which type of electrical current is used to transmit electricity to our homes and workplaces?
a. alternating c. hybrid
b. direct d. oscillating
ANS: A PTS: 1 REF: 25

14. Which of the following is true about AC electricity?
a. in the U.S. it oscillates at 120 Hz c. it always takes the path of highest
resistance
b. it travels from a hot line and returns on a
neutral line
d. the hot line is always grounded
ANS: B PTS: 1 REF: 26
15. What type of component holds its charge even after the power is turned off and the device is
unplugged?
a. memory module c. resistor
b. capacitor d. ohm meter
ANS: B PTS: 1 REF: 28
16. Which of the following is true about an FRU?
a. they are not necessary for the computer’s
operation
c. it’s easily repaired by a support technician
b. all types can be easily disposed of in any
trash can
d. a support technician should know how to
replace one
ANS: D PTS: 1 REF: 28
17. Which type of fire extinguisher should you have available in the event of an electrical fire?
a. Class A c. Class C
b. Class B d. Class D
ANS: C PTS: 1 REF: 29
18. What is a result of two objects with dissimilar electrical charges touching?
a. LCD c. EMI
b. ESD d. CRT
ANS: B PTS: 1 REF: 29
19. What tool can help discover and report computer errors and conflicts that occur when you first turn on
a computer and before the operating system is launched?
a. POST card c. BIOS memory
b. ROM module d. CMOS firmware
ANS: A PTS: 1 REF: 35
20. Which general-purpose tool can measure characteristics of electricity in a variety of devices?
a. loopback plug c. multimeter
b. POST card d. cable tester
ANS: C PTS: 1 REF: 37
COMPLETION
1. A ____________________________ is used to test a port in a computer or other device to make sure
the port is working.
ANS: loopback plug

PTS: 1 REF: 37
2. A(n) _________________________ is a circuit board that provides more ports than those provided by
the motherboard.
ANS:
expansion card
adapter card
PTS: 1 REF: 6
3. _____________ is temporary storage for data and instructions as they are being processed by the CPU.
ANS:
RAM
random access memory
random access memory (RAM)
PTS: 1 REF: 7
4. The _____________________ form factor reduces the total cost of a system by reducing the number
of expansion slots, and allows for a smaller case size.
ANS:
microATX
MATX
micro ATX
PTS: 1 REF: 16
5. Examples of ____________ drives include CD, DVD, and Blu-ray.
ANS: optical
PTS: 1 REF: 18
MATCHING
a. amp f. ohm
b. DisplayPort g. PCIe
c. DIMM h. POST
d. firmware i. rectifier
e. heat sink j. transformer
1. a measure of resistance to electricity
2. a fast expansion slot found on a motherboard
3. embedded programs that are closely tied to the hardware
4. transmits digital video and audio and is slowly replacing VGA and DVI
5. a series of tests performed by the startup BIOS when you first turn on a computer
6. consists of metal fins that draw heat from a component
7. a device that converts AC to DC

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The power supply cords to the motherboard provide the correct voltage, and the connectors match the
connections on the board.
The holes in the motherboard align with the holes in the case for anchoring the board to the case.
The holes in the case align with ports coming off the motherboard.
For some form factors, wires for switches and lights on the front of the case match up with connections
on the motherboard.
The holes in the power supply align with holes in the case for anchoring the power supply to the case.
PTS: 1 REF: 9
5. Describe the PATA interface.
ANS:
The PATA interface, also called the IDE interface, uses a wide 40-pin ribbon cable and connector. The
standard allows for only two connectors on a motherboard for two data cables. Each IDE ribbon
cable has a connection at the other end for an IDE drive and a connection in the middle of the cable for
a second IDE drive. Using this interface, a motherboard can accommodate up to four IDE or PATA
drives in one system. PATA drives use a 4-pin power connector called a Molex power connector. A
Molex connector is shaped so it connects in only one direction.
PTS: 1 REF: 20
6. What is the difference between AC and DC electricity?
ANS:

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You smell a strong electronics odor.
The power supply or fans are making a whining noise.
You notice smoke coming from the computer case or the case feels unusually warm.
PTS: 1 REF: 28
9. What is the description of and purpose of a ground bracelet?
ANS:
A ground bracelet, also called an ESD strap, antistatic wrist strap, or ESD bracelet, is a strap you wear
around your wrist. The strap has a cord attached with an alligator clip on the end. Attach the clip to the
computer case you’re working on. Any static electricity between you and the case is now discharged.
Therefore, as you work inside the case, you will not damage the components with static electricity.
The bracelet also contains a resistor that prevents electricity from harming you.
PTS: 1 REF: 30
10. List three of the six rules you should follow to protect computer parts against ESD.
ANS:
Rule 1: When passing a circuit board, memory module, or other sensitive component to another
person, ground yourself and then touch the other person before you pass the component.
Rule 2: Leave components inside their protective bags until you are ready to use them.
Rule 3: Work on hard floors, not carpet, or use antistatic spray on the carpets.
Rule 4: Don’t work on a computer if you or the computer have just come in from the cold because
there is more danger of ESD when the atmosphere is cold and dry.
Rule 5: When unpacking hardware or software, remove the packing tape and cellophane from the work
area as soon as possible because these materials attract ESD.
Rule 6: Keep components away from your hair and clothing.
PTS: 1 REF: 33

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ANS:
Video cards draw the most power. Video cards draw the most power in a system, and they draw from
the +12 V output. If your system has a video card, pay particular attention to the +12 V rating. The
trend nowadays is for the motherboard to provide the video components and video port, thus reducing
the overall wattage needs for a system.
The power supply should be rated about 30 percent higher than expected needs. Power supplies that
run at less than peak performance last longer and don’t overheat. In addition, a power supply loses
some of its capacity over time. Also, don’t worry about a higher rated power supply using too much
electricity. Components only draw what they need.
PTS: 1 REF: 75

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